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Impossible d'afficher le contenu de la base de données après que l'idée a utilisé le pool de connexion c3p0 pour se connecter à la base de données SQL
2022-06-13 02:21:00 【Questions et réponses du rseoc】
Je suislibC'est normal.c3p0,mchangeEtmysqlDejarSac,Modifiéc3p0DeimlDocumentation,Mais une erreur s'est produite après l'exécutionNetwork is unreachable: connectv
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